diff --git a/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java b/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java index 29333a6d..c158b691 100644 --- a/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java +++ b/wise-webapp/src/main/java/com/wisemapping/model/Mindmap.java @@ -29,6 +29,7 @@ import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.Calendar; import java.util.HashSet; +import java.util.LinkedHashSet; import java.util.Set; public class Mindmap { @@ -44,7 +45,7 @@ public class Mindmap { private User lastEditor; private Set collaborations = new HashSet(); - private Set